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source: palm/trunk/SOURCE/indoor_model_mod.f90 @ 3593

Last change on this file since 3593 was 3593, checked in by kanani, 5 years ago
Bugfix for missing array allocation (biometeorology_mod), remove degree symbol (biometeorology_mod, indoor_model_mod, multi_agent_system_mod, surface_mod, wind_turbine_model_mod)
Property svn:keywords set to `Id`
File size: 69.7 KB

Rev	Line
[3469]	1	!> @file indoor_model_mod.f90
	2	!--------------------------------------------------------------------------------!
	3	! This file is part of the PALM model system.
	4	!
	5	! PALM is free software: you can redistribute it and/or modify it under the
	6	! terms of the GNU General Public License as published by the Free Software
	7	! Foundation, either version 3 of the License, or (at your option) any later
	8	! version.
	9	!
	10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	13	!
	14	! You should have received a copy of the GNU General Public License along with
	15	! PALM. If not, see <http://www.gnu.org/licenses/>.
	16	!
	17	! Copyright 2018-2018 Leibniz Universitaet Hannover
	18	! Copyright 2018-2018 Hochschule Offenburg
	19	!--------------------------------------------------------------------------------!
	20	!
	21	! Current revisions:
	22	! -----------------
	23	!
	24	!
	25	! Former revisions:
	26	! -----------------
	27	! $Id: indoor_model_mod.f90 3593 2018-12-03 13:51:13Z kanani $
[3593]	28	! Replace degree symbol by degree_C
	29	!
	30	! 3524 2018-11-14 13:36:44Z raasch
[3524]	31	! working precision added to make code Fortran 2008 conform
	32	!
	33	! 3469 2018-10-30 20:05:07Z kanani
[3469]	34	! Initial revision (tlang, suehring, kanani, srissman)
	35	!
	36	!
	37	!
	38	! Authors:
	39	! --------
	40	! @author Tobias Lang
	41	! @author Jens Pfafferott
	42	! @author Farah Kanani-Suehring
	43	! @author Matthias Suehring
	44	! @author Sascha RiÃmann
	45	!
	46	!
	47	! Description:
	48	! ------------
	49	!> <Description of the new module>
	50	!> Module for Indoor Climate Model (ICM)
	51	!> The module is based on the DIN EN ISO 13790 with simplified hour-based procedure.
	52	!> This model is a equivalent circuit diagram of a three-point RC-model (5R1C).
	53	!> This module differ between indoor-air temperature an average temperature of indoor surfaces which make it prossible to determine thermal comfort
	54	!> the heat transfer between indoor and outdoor is simplified
	55
	56	!> @todo Replace window_area_per_facade by %frac(1,m) for window
	57	!> @todo emissivity change for window blinds if solar_protection_on=1
	58	!> @todo write datas in netcdf file as output data
	59	!> @todo reduce the building volume with netto ground surface to take respect costruction areas like walls and ceilings. Have effect on factor_a, factor_c, airchange and lambda_at
	60	!>
	61	!> @note Do we allow use of integer flags, or only logical flags? (concerns e.g. cooling_on, heating_on)
	62	!> @note How to write indoor temperature output to pt array?
	63	!>
	64	!> @bug <Enter known bugs here>
	65	!------------------------------------------------------------------------------!
	66	MODULE indoor_model_mod
	67
	68	USE control_parameters, &
	69	ONLY: initializing_actions
	70
	71	USE kinds
	72
	73	USE surface_mod, &
	74	ONLY: surf_usm_h, surf_usm_v
	75
	76
	77	IMPLICIT NONE
	78
	79	!
	80	!-- Define data structure for buidlings.
	81	TYPE build
	82
	83	INTEGER(iwp) :: id !< building ID
	84	INTEGER(iwp) :: kb_min !< lowest vertical index of a building
	85	INTEGER(iwp) :: kb_max !< highest vertical index of a building
	86	INTEGER(iwp) :: num_facades_per_building_h !< total number of horizontal facades elements
	87	INTEGER(iwp) :: num_facades_per_building_h_l !< number of horizontal facade elements on local subdomain
	88	INTEGER(iwp) :: num_facades_per_building_v !< total number of vertical facades elements
	89	INTEGER(iwp) :: num_facades_per_building_v_l !< number of vertical facade elements on local subdomain
	90
	91	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_v !< index array linking surface-element orientation index
	92	!< for vertical surfaces with building
	93	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_h !< index array linking surface-element index for
	94	!< horizontal surfaces with building
	95	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_v !< index array linking surface-element index for
	96	!< vertical surfaces with building
	97	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_h !< number of horizontal facade elements per buidling
	98	!< and height level
	99	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_v !< number of vertical facades elements per buidling
	100	!< and height level
	101
	102	LOGICAL :: on_pe = .FALSE. !< flag indicating whether a building with certain ID is on local subdomain
	103
	104	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< mean building indoor temperature, height dependent
	105	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< mean building indoor temperature on local subdomain, height dependent
	106	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume, height dependent
	107	REAL(wp), DIMENSION(:), ALLOCATABLE :: vol_frac !< fraction of local on total building volume, height dependent
	108	REAL(wp), DIMENSION(:), ALLOCATABLE :: vpf !< building volume volume per facade element, height dependent
	109
	110	END TYPE build
	111
	112	TYPE(build), DIMENSION(:), ALLOCATABLE :: buildings !< building array
	113
	114	INTEGER(iwp) :: num_build !< total number of buildings in domain
	115
	116	REAL(wp) :: volume_fraction
	117
	118	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< dummy array for indoor temperature for the
	119	!< total building volume at each discrete height level
	120	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< dummy array for indoor temperature for the
	121	!< local building volume fraction at each discrete height level
	122
	123	!
	124	!-- Declare all global variables within the module
	125
	126	INTEGER(iwp) :: building_type = 1 !< namelist parameter with
	127	!< X1=construction year (cy) 1950, X2=cy 2000, X3=cy 2050
	128	!< R=Residental building, O=Office, RW=Enlarged Windows, P=Panel type (Plattenbau) WBS 70, H=Hospital (in progress), I=Industrial halls (in progress), S=Special Building (in progress)
	129	!< (0=R1, 1=R2, 2=R3, 3=O1, 4=O2, 5=O3,...)
	130	INTEGER(iwp) :: cooling_on !< Indoor cooling flag (0=off, 1=on)
	131	INTEGER(iwp) :: heating_on !< Indoor heating flag (0=off, 1=on)
	132	INTEGER(iwp) :: solar_protection_off !< Solar protection off
	133	INTEGER(iwp) :: solar_protection_on !< Solar protection on
	134
	135	REAL(wp) :: air_change_high !< [1/h] air changes per time_utc_hour
	136	REAL(wp) :: air_change_low !< [1/h] air changes per time_utc_hour
	137	REAL(wp) :: eff_mass_area !< [mÂ²] the effective mass-related area
	138	REAL(wp) :: floor_area_per_facade !< [mÂ²] net floor area (Sum of all floors)
	139	REAL(wp) :: total_area !<! [mÂ²] area of all surfaces pointing to zone
	140	REAL(wp) :: window_area_per_facade !< [m2] window area per facade element
	141	REAL(wp) :: air_change !< [1/h] Airflow
	142	REAL(wp) :: bldg_part_surf_i = 4 !< [mÂ²_surf,i] part building surface, from Palm, das mÃŒsste mittlerweile "facade_element_area" sein!
	143	REAL(wp) :: facade_element_area !< [mÂ²_facade] building surface facade
	144	REAL(wp) :: indoor_volume_per_facade !< [mÂ³] indoor air volume per facade element
	145	REAL(wp) :: c_m !< [J/K] internal heat storage capacity
	146	REAL(wp) :: dt_indoor = 3600.0_wp !< [s] namelist parameter: time interval for indoor-model application
	147	REAL(wp) :: eta_ve !< [-] heat recovery efficiency
	148	REAL(wp) :: f_c_win !< [-] shading factor
	149	REAL(wp) :: factor_a !< [-] Dynamic parameters specific effective surface according to Table 12; 2.5 (very light, light and medium), 3.0 (heavy), 3.5 (very heavy)
	150	REAL(wp) :: factor_c !< [J/(m2 K)] Dynamic parameters inner heatstorage according to Table 12; 80000 (very light), 110000 (light), 165000 (medium), 260000 (heavy), 370000 (very heavy)
	151	REAL(wp) :: g_value_win !< [-] SHGC factor
	152	REAL(wp) :: h_tr_1 !<! [W/K] Heat transfer coefficient auxiliary variable 1
	153	REAL(wp) :: h_tr_2 !<! [W/K] Heat transfer coefficient auxiliary variable 2
	154	REAL(wp) :: h_tr_3 !<! [W/K] Heat transfer coefficient auxiliary variable 3
	155	REAL(wp) :: h_tr_em !<! [W/K] Heat transfer coefficient of the emmision (got with h_tr_ms the thermal mass)
	156	REAL(wp) :: h_tr_is !<! [W/K] thermal coupling conductance (Thermischer Kopplungsleitwert)
	157	REAL(wp) :: h_tr_ms !<! [W/K] Heat transfer conductance term (got with h_tr_em the thermal mass)
	158	REAL(wp) :: h_tr_op !<! [W/K] heat transfer coefficient of opaque components (assumption: got all thermal mass) contains of h_tr_em and h_tr_ms
	159	REAL(wp) :: h_tr_w !<! [W/K] heat transfer coefficient of doors, windows, curtain walls and glazed walls (assumption: thermal mass=0)
	160	REAL(wp) :: h_ve !<! [W/K] heat transfer of ventilation
	161	REAL(wp) :: height_storey !< [m] storey heigth
	162	REAL(wp) :: height_cei_con !< [m] ceiling construction heigth
	163	REAL(wp) :: initial_indoor_temperature !< namelist parameter
	164	REAL(wp) :: lambda_at !< [-] ratio internal surface/floor area chap. 7.2.2.2.
	165	REAL(wp) :: lambda_layer3 !< [W/(m*K)] Thermal conductivity of the inner layer
	166	REAL(wp) :: net_sw_in !< net short-wave radiation (in - out; was i_global --> CORRECT?)
	167	REAL(wp) :: qint_high !< [W/m2] internal heat gains, option Database qint_0-23
	168	REAL(wp) :: qint_low !< [W/m2] internal heat gains, option Database qint_0-23
	169	REAL(wp) :: phi_c_max !< [W] Max. Cooling capacity (negative)
	170	REAL(wp) :: phi_h_max !< [W] Max. Heating capacity (negative)
	171	REAL(wp) :: phi_hc_nd !<! [W] heating demand and/or cooling demand
	172	REAL(wp) :: phi_hc_nd_10 !<! [W] heating demand and/or cooling demand for heating or cooling
	173	REAL(wp) :: phi_hc_nd_ac !<! [W] actual heating demand and/or cooling demand
	174	REAL(wp) :: phi_hc_nd_un !<! [W] unlimited heating demand and/or cooling demand which is necessary to reach the demanded required temperature (heating is positive, cooling is negative)
	175	REAL(wp) :: phi_ia !< [W] internal air load = internal loads * 0.5, Eq. (C.1)
	176	REAL(wp) :: phi_m !<! [W] mass specific thermal load (internal and external)
	177	REAL(wp) :: phi_mtot !<! [W] total mass specific thermal load (internal and external)
	178	REAL(wp) :: phi_sol !< [W] solar loads
	179	REAL(wp) :: phi_st !<! [W] mass specific thermal load implied non thermal mass
	180	REAL(wp) :: q_emission !< emissions, in first version = 0, option for second part of the project
	181	REAL(wp) :: q_wall_win !< heat flux from indoor into wall/window
	182	REAL(wp) :: q_waste_heat !< waste heat, sum of waste heat over the roof to Palm
	183	REAL(wp) :: q_waste_heat_bldg !< [W/building] waste heat of the complete building, in Palm sum of all indoor_model-calculations
	184	REAL(wp) :: s_layer3 !< [m] half thickness of the inner layer (layer_3)
	185	REAL(wp) :: schedule_d !< activation for internal loads (low or high + low)
	186	REAL(wp) :: skip_time_do_indoor = 0.0_wp !< [s] Indoor model is not called before this time
[3593]	187	REAL(wp) :: theta_air !<! [degree_C] air temperature of the RC-node
	188	REAL(wp) :: theta_air_0 !<! [degree_C] air temperature of the RC-node in equilibrium
	189	REAL(wp) :: theta_air_10 !<! [degree_C] air temperature of the RC-node from a heating capacity of 10 W/mÂ²
	190	REAL(wp) :: theta_air_ac !< [degree_C] actual room temperature after heating/cooling
	191	REAL(wp) :: theta_air_set !< [degree_C] Setpoint_temperature for the room
	192	REAL(wp) :: theta_int_c_set !< [degree_C] Max. Setpoint temperature (summer)
	193	REAL(wp) :: theta_int_h_set !< [degree_C] Max. Setpoint temperature (winter)
	194	REAL(wp) :: theta_m !<! [degree_C} inner temperature of the RC-node
	195	REAL(wp) :: theta_m_t !<! [degree_C] (Fictive) component temperature timestep
	196	REAL(wp) :: theta_m_t_prev !< [degree_C] (Fictive) component temperature previous timestep (do not change)
	197	REAL(wp) :: theta_op !< [degree_C] operative temperature
	198	REAL(wp) :: theta_s !<! [degree_C] surface temperature of the RC-node
[3469]	199	REAL(wp) :: time_indoor = 0.0_wp !< [s] time since last call of indoor model
	200	REAL(wp) :: time_utc_hour !< Time in hours per day (UTC)
	201	REAL(wp) :: u_value_win !< [W/(m2*K)] transmittance
	202	REAL(wp) :: ventilation_int_loads !< Zuteilung der GebÃ€ude fÃŒr Verlauf/AktivitÃ€t der LÃŒftung und internen Lasten
	203
	204	!
	205	!-- Declare all global parameters within the module
	206	REAL(wp), PARAMETER :: params_f_f = 0.3_wp !< [-] frame ratio chap. 8.3.2.1.1 for buildings with mostly cooling 2.0_wp
	207	REAL(wp), PARAMETER :: params_f_w = 0.9_wp !< [-] correction factor (fuer nicht senkrechten Stahlungseinfall DIN 4108-2 chap.8, (hier konstant, keine WinkelabhÃ€ngigkeit)
	208	REAL(wp), PARAMETER :: params_f_win = 0.5_wp !< [-] proportion of window area, Database A_win aus Datenbank 27 window_area_per_facade_percent
	209	REAL(wp), PARAMETER :: params_solar_protection = 300.0_wp !< [W/m2] chap. G.5.3.1 sun protection closed, if the radiation on facade exceeds this value
	210	REAL(wp), PARAMETER :: params_waste_heat_c = 4.0_wp !< [-] anthropogenic heat outputs for cooling e.g. 4 for KKM with COP = 3
	211	REAL(wp), PARAMETER :: params_waste_heat_h = 1.111_wp !< [-] anthropogenic heat outputs for heating e.g. 1 / 0.9 = 1.111111 for combustion with eta = 0.9 or -3 for WP with COP = 4
	212	REAL(wp), PARAMETER :: h_is = 3.45_wp !< [W/(m^2 K)] h_is = 3.45 between surface and air (chap. 7.2.2.2)
	213	REAL(wp), PARAMETER :: h_ms = 9.1_wp !< [W/K] h_ms = 9.10 W / (m2 K) between component and surface (chap. 12.2.2)
	214
	215	SAVE
	216
	217
	218	PRIVATE
	219
	220	!
	221	!-- Add INTERFACES that must be available to other modules
	222	PUBLIC im_init, im_main_heatcool, im_parin
	223
	224	!
	225	!-- Add VARIABLES that must be available to other modules
	226	PUBLIC dt_indoor, skip_time_do_indoor, time_indoor
	227
	228	!
	229	!-- Calculations for indoor temperatures
	230	INTERFACE im_calc_temperatures
	231	MODULE PROCEDURE im_calc_temperatures
	232	END INTERFACE im_calc_temperatures
	233	!
	234	!-- Initialization actions
	235	INTERFACE im_init
	236	MODULE PROCEDURE im_init
	237	END INTERFACE im_init
	238
	239	!
	240	!-- Main part of indoor model
	241	INTERFACE im_main_heatcool
	242	MODULE PROCEDURE im_main_heatcool
	243	END INTERFACE im_main_heatcool
	244	!
	245	!-- Reading of NAMELIST parameters
	246	INTERFACE im_parin
	247	MODULE PROCEDURE im_parin
	248	END INTERFACE im_parin
	249
	250	CONTAINS
	251
	252	!------------------------------------------------------------------------------!
	253	! Description:
	254	! ------------
	255	!< Calculation of the air temperatures and mean radiation temperature
	256	!< This is basis for the operative temperature
	257	!< Based on a Crank-Nicholson scheme with a timestep of a hour
	258	!------------------------------------------------------------------------------!
	259	SUBROUTINE im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	260	near_facade_temperature, phi_hc_nd_dummy )
	261
	262	USE arrays_3d, &
	263	ONLY: pt
	264
	265
	266	IMPLICIT NONE
	267
	268
	269	INTEGER(iwp) :: i
	270	INTEGER(iwp) :: j
	271	INTEGER(iwp) :: k
	272
	273	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
	274	REAL(wp) :: near_facade_temperature
	275	REAL(wp) :: phi_hc_nd_dummy
	276
	277	!< Calculation of total mass specific thermal load (internal and external)
	278	phi_mtot = ( phi_m + h_tr_em * indoor_wall_window_temperature &
	279	+ h_tr_3 * ( phi_st + h_tr_w * pt(k,j,i) &
	280	+ h_tr_1 * &
	281	( ( ( phi_ia + phi_hc_nd_dummy ) / h_ve ) &
	282	+ near_facade_temperature ) &
	283	) / h_tr_2 &
[3593]	284	) !< [degree_C] Eq. (C.5)
[3469]	285
	286	!< Calculation of component temperature at factual timestep
	287	theta_m_t = ( ( theta_m_t_prev &
	288	* ( ( c_m / 3600 ) - 0.5 * ( h_tr_3 + h_tr_em ) ) + phi_mtot &
	289	) &
	290	/ ( ( c_m / 3600 ) + 0.5 * ( h_tr_3 + h_tr_em ) ) &
[3593]	291	) !< [degree_C] Eq. (C.4)
[3469]	292
	293	!< Calculation of mean inner temperature for the RC-node in actual timestep
[3593]	294	theta_m = ( theta_m_t + theta_m_t_prev ) * 0.5 !< [degree_C] Eq. (C.9)
[3469]	295
	296	!< Calculation of mean surface temperature of the RC-node in actual timestep
	297	theta_s = ( ( h_tr_ms * theta_m + phi_st + h_tr_w * pt(k,j,i) &
	298	+ h_tr_1 * ( near_facade_temperature + ( phi_ia + phi_hc_nd_dummy ) / h_ve ) &
	299	) &
	300	/ ( h_tr_ms + h_tr_w + h_tr_1 ) &
[3593]	301	) !< [degree_C] Eq. (C.10)
[3469]	302
	303	!< Calculation of the air temperature of the RC-node
	304	theta_air = ( h_tr_is * theta_s + h_ve * near_facade_temperature &
[3593]	305	+ phi_ia + phi_hc_nd_dummy ) / ( h_tr_is + h_ve ) !< [degree_C] Eq. (C.11)
[3469]	306
	307	END SUBROUTINE im_calc_temperatures
	308
	309	!------------------------------------------------------------------------------!
	310	! Description:
	311	! ------------
	312	!> Initialization of the indoor model.
	313	!> Static information are calculated here, e.g. building parameters and
	314	!> geometrical information, everything that doesn't change in time.
	315	!
	316	!-- Input values
	317	!-- Input datas from Palm, M4
	318	! i_global --> net_sw_in !global radiation [W/m2]
	319	! theta_e --> pt(k,j,i) !undisturbed outside temperature, 1. PALM volume, for windows
	320	! theta_sup = theta_f --> surf_usm_h%t_surf_10cm(m)
	321	! surf_usm_v(l)%t_surf_10cm(m) !Air temperature, facade near (10cm) air temperature from 1. Palm volume
	322	! theta_node --> t_wall_h(nzt_wall,m)
	323	! t_wall_v(l)%t(nzt_wall,m) !Temperature of innermost wall layer, for opaque wall
	324	!------------------------------------------------------------------------------!
	325	SUBROUTINE im_init
	326
	327	USE arrays_3d, &
	328	ONLY: dzw
	329
	330	USE control_parameters, &
	331	ONLY: message_string
	332
	333	USE indices, &
	334	ONLY: nxl, nxr, nyn, nys, nzb, nzt, wall_flags_0
	335
	336	USE grid_variables, &
	337	ONLY: dx, dy
	338
	339	USE netcdf_data_input_mod, &
	340	ONLY: building_id_f
	341
	342	USE pegrid
	343
	344	USE surface_mod, &
	345	ONLY: surf_usm_h, surf_usm_v
	346
	347	USE urban_surface_mod, &
	348	ONLY: building_pars, building_type
	349
	350	IMPLICIT NONE
	351
	352	INTEGER(iwp) :: fa !< running index for facade elements of each building
	353	INTEGER(iwp) :: i !< running index along x-direction
	354	INTEGER(iwp) :: j !< running index along y-direction
	355	INTEGER(iwp) :: k !< running index along z-direction
	356	INTEGER(iwp) :: l !< running index for surface-element orientation
	357	INTEGER(iwp) :: m !< running index surface elements
	358	INTEGER(iwp) :: n !< building index
	359	INTEGER(iwp) :: nb !< building index
	360
	361	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids !< building IDs on entire model domain
	362	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final !< building IDs on entire model domain,
	363	!< multiple occurences are sorted out
	364	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final_tmp !< temporary array used for resizing
	365	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l !< building IDs on local subdomain
	366	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l_tmp !< temporary array used to resize array of building IDs
	367	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: displace_dum !< displacements of start addresses, used for MPI_ALLGATHERV
	368	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_max_l !< highest vertical index of a building on subdomain
	369	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_min_l !< lowest vertical index of a building on subdomain
	370	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: n_fa !< counting array
	371	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_h !< dummy array used for summing-up total number of
	372	!< horizontal facade elements
	373	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_v !< dummy array used for summing-up total number of
	374	!< vertical facade elements
	375	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_h !< dummy array used for MPI_ALLREDUCE
	376	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_v !< dummy array used for MPI_ALLREDUCE
	377
	378	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings !< number of buildings with different ID on entire model domain
	379	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings_l !< number of buildings with different ID on local subdomain
	380
	381	REAL(wp), DIMENSION(:), ALLOCATABLE :: local_weight !< dummy representing fraction of local on total building volume,
	382	!< height dependent
	383	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume at each discrete height level
	384	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume_l !< total building volume at each discrete height level,
	385	!< on local subdomain
	386
	387	!
	388	!-- Initializing of indoor model is only possible if buildings can be
	389	!-- distinguished by their IDs.
	390	IF ( .NOT. building_id_f%from_file ) THEN
	391	message_string = 'Indoor model requires information about building_id'
	392	CALL message( 'im_init', 'PA0999', 1, 2, 0, 6, 0 )
	393	ENDIF
	394	!
	395	!-- Determine number of different building IDs on local subdomain.
	396	num_buildings_l = 0
	397	num_buildings = 0
	398	ALLOCATE( build_ids_l(1) )
	399	DO i = nxl, nxr
	400	DO j = nys, nyn
	401	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
	402	IF ( num_buildings_l(myid) > 0 ) THEN
	403	IF ( ANY( building_id_f%var(j,i) .EQ. build_ids_l ) ) THEN
	404	CYCLE
	405	ELSE
	406	num_buildings_l(myid) = num_buildings_l(myid) + 1
	407	!
	408	!-- Resize array with different local building ids
	409	ALLOCATE( build_ids_l_tmp(1:SIZE(build_ids_l)) )
	410	build_ids_l_tmp = build_ids_l
	411	DEALLOCATE( build_ids_l )
	412	ALLOCATE( build_ids_l(1:num_buildings_l(myid)) )
	413	build_ids_l(1:num_buildings_l(myid)-1) = &
	414	build_ids_l_tmp(1:num_buildings_l(myid)-1)
	415	build_ids_l(num_buildings_l(myid)) = building_id_f%var(j,i)
	416	DEALLOCATE( build_ids_l_tmp )
	417	ENDIF
	418	!
	419	!-- First occuring building id on PE
	420	ELSE
	421	num_buildings_l(myid) = num_buildings_l(myid) + 1
	422	build_ids_l(1) = building_id_f%var(j,i)
	423	ENDIF
	424	ENDIF
	425	ENDDO
	426	ENDDO
	427	!
	428	!-- Determine number of building IDs for the entire domain. (Note, building IDs
	429	!-- can appear multiple times as buildings might be distributed over several
	430	!-- PEs.)
	431	#if defined( __parallel )
	432	CALL MPI_ALLREDUCE( num_buildings_l, num_buildings, numprocs, &
	433	MPI_INTEGER, MPI_SUM, comm2d, ierr )
	434	#else
	435	num_buildings = num_buildings_l
	436	#endif
	437	ALLOCATE( build_ids(1:SUM(num_buildings)) )
	438	!
	439	!-- Gather building IDs. Therefore, first, determine displacements used
	440	!-- required for MPI_GATHERV call.
	441	ALLOCATE( displace_dum(0:numprocs-1) )
	442	displace_dum(0) = 0
	443	DO i = 1, numprocs-1
	444	displace_dum(i) = displace_dum(i-1) + num_buildings(i-1)
	445	ENDDO
	446
	447	#if defined( __parallel )
	448	CALL MPI_ALLGATHERV( build_ids_l(1:num_buildings_l(myid)), &
	449	num_buildings(myid), &
	450	MPI_INTEGER, &
	451	build_ids, &
	452	num_buildings, &
	453	displace_dum, &
	454	MPI_INTEGER, &
	455	comm2d, ierr )
	456
	457	DEALLOCATE( displace_dum )
	458
	459	#else
	460	build_ids = build_ids_l
	461	#endif
	462	!
	463	!-- Note: in parallel mode, building IDs can occur mutliple times, as
	464	!-- each PE has send its own ids. Therefore, sort out building IDs which
	465	!-- appear multiple times.
	466	num_build = 0
	467	DO n = 1, SIZE(build_ids)
	468
	469	IF ( ALLOCATED(build_ids_final) ) THEN
	470	IF ( ANY( build_ids(n) .EQ. build_ids_final ) ) THEN !FK: Warum ANY?, Warum .EQ.? --> s.o
	471	CYCLE
	472	ELSE
	473	num_build = num_build + 1
	474	!
	475	!-- Resize
	476	ALLOCATE( build_ids_final_tmp(1:num_build) )
	477	build_ids_final_tmp(1:num_build-1) = build_ids_final(1:num_build-1)
	478	DEALLOCATE( build_ids_final )
	479	ALLOCATE( build_ids_final(1:num_build) )
	480	build_ids_final(1:num_build-1) = build_ids_final_tmp(1:num_build-1)
	481	build_ids_final(num_build) = build_ids(n)
	482	DEALLOCATE( build_ids_final_tmp )
	483	ENDIF
	484	ELSE
	485	num_build = num_build + 1
	486	ALLOCATE( build_ids_final(1:num_build) )
	487	build_ids_final(num_build) = build_ids(n)
	488	ENDIF
	489	ENDDO
	490
	491	!
	492	!-- Allocate building-data structure array. Note, this is a global array
	493	!-- and all building IDs on domain are known by each PE. Further attributes,
	494	!-- e.g. height-dependent arrays, however, are only allocated on PEs where
	495	!-- the respective building is present (in order to reduce memory demands).
	496	ALLOCATE( buildings(1:num_build) )
	497	!
	498	!-- Store building IDs and check if building with certain ID is present on
	499	!-- subdomain.
	500	DO nb = 1, num_build
	501	buildings(nb)%id = build_ids_final(nb)
	502
	503	IF ( ANY( building_id_f%var == buildings(nb)%id ) ) &
	504	buildings(nb)%on_pe = .TRUE.
	505	ENDDO
	506	!
	507	!-- Determine the maximum vertical dimension occupied by each building.
	508	ALLOCATE( k_min_l(1:num_build) )
	509	ALLOCATE( k_max_l(1:num_build) )
	510	k_min_l = nzt + 1
	511	k_max_l = 0
	512
	513	DO i = nxl, nxr
	514	DO j = nys, nyn
	515	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
	516	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), &
	517	DIM = 1 )
	518	DO k = nzb+1, nzt+1
	519	!
	520	!-- Check if grid point belongs to a building.
	521	IF ( BTEST( wall_flags_0(k,j,i), 6 ) ) THEN
	522	k_min_l(nb) = MIN( k_min_l(nb), k )
	523	k_max_l(nb) = MAX( k_max_l(nb), k )
	524	ENDIF
	525
	526	ENDDO
	527	ENDIF
	528	ENDDO
	529	ENDDO
	530
	531	DO nb = 1, num_build
	532	#if defined( __parallel )
	533	CALL MPI_ALLREDUCE( k_min_l(nb), buildings(nb)%kb_min, 1, MPI_INTEGER, &
	534	MPI_MIN, comm2d, ierr )
	535	CALL MPI_ALLREDUCE( k_max_l(nb), buildings(nb)%kb_max, 1, MPI_INTEGER, &
	536	MPI_MAX, comm2d, ierr )
	537	#else
	538	buildings(nb)%kb_min = k_min_l(nb)
	539	buildings(nb)%kb_max = k_max_l(nb)
	540	#endif
	541
	542	ENDDO
	543
	544	DEALLOCATE( k_min_l )
	545	DEALLOCATE( k_max_l )
	546	!
	547	!-- Calculate building volume
	548	DO nb = 1, num_build
	549	!
	550	!-- Allocate temporary array for summing-up building volume
	551	ALLOCATE( volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	552	ALLOCATE( volume_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	553	volume = 0.0_wp
	554	volume_l = 0.0_wp
	555	!
	556	!-- Calculate building volume per height level on each PE where
	557	!-- these building is present.
	558	IF ( buildings(nb)%on_pe ) THEN
	559	ALLOCATE( buildings(nb)%volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	560	ALLOCATE( buildings(nb)%vol_frac(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	561	buildings(nb)%volume = 0.0_wp
	562	buildings(nb)%vol_frac = 0.0_wp
	563
	564	IF ( ANY( building_id_f%var == buildings(nb)%id ) ) THEN
	565	DO i = nxl, nxr
	566	DO j = nys, nyn
	567	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
	568	IF ( building_id_f%var(j,i) /= building_id_f%fill ) &
	569	volume_l(k) = dx * dy * dzw(k)
	570	ENDDO
	571	ENDDO
	572	ENDDO
	573	ENDIF
	574	ENDIF
	575	!
	576	!-- Sum-up building volume from all subdomains
	577	#if defined( __parallel )
	578	CALL MPI_ALLREDUCE( volume_l, volume, SIZE(volume), MPI_REAL, MPI_SUM, &
	579	comm2d, ierr )
	580	#else
	581	volume = volume_l
	582	#endif
	583	!
	584	!-- Save total building volume as well as local fraction on volume on
	585	!-- building data structure.
	586	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%volume = volume
	587	!
	588	!-- Determine fraction of local on total building volume
	589	IF ( buildings(nb)%on_pe ) buildings(nb)%vol_frac = volume_l / volume
	590
	591	DEALLOCATE( volume )
	592	DEALLOCATE( volume_l )
	593
	594	ENDDO
	595
	596	!
	597	!-- Allocate arrays for indoor temperature.
	598	DO nb = 1, num_build
	599	IF ( buildings(nb)%on_pe ) THEN
	600	ALLOCATE( buildings(nb)%t_in(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	601	ALLOCATE( buildings(nb)%t_in_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	602	buildings(nb)%t_in = 0.0_wp
	603	buildings(nb)%t_in_l = 0.0_wp
	604	ENDIF
	605	ENDDO
	606	!
	607	!-- Allocate arrays for number of facades per height level. Distinguish between
	608	!-- horizontal and vertical facades.
	609	DO nb = 1, num_build
	610	IF ( buildings(nb)%on_pe ) THEN
	611	ALLOCATE( buildings(nb)%num_facade_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	612	ALLOCATE( buildings(nb)%num_facade_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	613
	614	buildings(nb)%num_facade_h = 0
	615	buildings(nb)%num_facade_v = 0
	616	ENDIF
	617	ENDDO
	618	!
	619	!-- Determine number of facade elements per building on local subdomain.
	620	!-- Distinguish between horizontal and vertical facade elements.
	621	!
	622	!-- Horizontal facades
	623	buildings(:)%num_facades_per_building_h_l = 0
	624	DO m = 1, surf_usm_h%ns
	625	!
	626	!-- For the current facade element determine corresponding building index.
	627	!-- First, obtain j,j,k indices of the building. Please note the
	628	!-- offset between facade/surface element and building location (for
	629	!-- horizontal surface elements the horizontal offsets are zero).
	630	i = surf_usm_h%i(m) + surf_usm_h%ioff
	631	j = surf_usm_h%j(m) + surf_usm_h%joff
	632	k = surf_usm_h%k(m) + surf_usm_h%koff
	633	!
	634	!-- Determine building index and check whether building is on PE
	635	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM = 1 )
	636	IF ( buildings(nb)%on_pe ) THEN
	637	!
	638	!-- Count number of facade elements at each height level.
	639	buildings(nb)%num_facade_h(k) = buildings(nb)%num_facade_h(k) + 1
	640	!
	641	!-- Moreover, sum up number of local facade elements per building.
	642	buildings(nb)%num_facades_per_building_h_l = &
	643	buildings(nb)%num_facades_per_building_h_l + 1
	644	ENDIF
	645	ENDDO
	646	!
	647	!-- Vertical facades
	648	buildings(:)%num_facades_per_building_v_l = 0
	649	DO l = 0, 3
	650	DO m = 1, surf_usm_v(l)%ns
	651	!
	652	!-- For the current facade element determine corresponding building index.
	653	!-- First, obtain j,j,k indices of the building. Please note the
	654	!-- offset between facade/surface element and building location (for
	655	!-- vertical surface elements the vertical offsets are zero).
	656	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
	657	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
	658	k = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
	659
	660	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), &
	661	DIM = 1 )
	662	IF ( buildings(nb)%on_pe ) THEN
	663	buildings(nb)%num_facade_v(k) = buildings(nb)%num_facade_v(k) + 1
	664	buildings(nb)%num_facades_per_building_v_l = &
	665	buildings(nb)%num_facades_per_building_v_l + 1
	666	ENDIF
	667	ENDDO
	668	ENDDO
	669
	670	!
	671	!-- Determine total number of facade elements per building and assign number to
	672	!-- building data type.
	673	DO nb = 1, num_build
	674	!
	675	!-- Allocate dummy array used for summing-up facade elements.
	676	!-- Please note, dummy arguments are necessary as building-date type
	677	!-- arrays are not necessarily allocated on all PEs.
	678	ALLOCATE( num_facades_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	679	ALLOCATE( num_facades_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	680	ALLOCATE( receive_dum_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	681	ALLOCATE( receive_dum_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	682	num_facades_h = 0
	683	num_facades_v = 0
	684	receive_dum_h = 0
	685	receive_dum_v = 0
	686
	687	IF ( buildings(nb)%on_pe ) THEN
	688	num_facades_h = buildings(nb)%num_facade_h
	689	num_facades_v = buildings(nb)%num_facade_v
	690	ENDIF
	691
	692	#if defined( __parallel )
	693	CALL MPI_ALLREDUCE( num_facades_h, &
	694	receive_dum_h, &
	695	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
	696	MPI_INTEGER, &
	697	MPI_SUM, &
	698	comm2d, &
	699	ierr )
	700
	701	CALL MPI_ALLREDUCE( num_facades_v, &
	702	receive_dum_v, &
	703	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
	704	MPI_INTEGER, &
	705	MPI_SUM, &
	706	comm2d, &
	707	ierr )
	708	IF ( ALLOCATED( buildings(nb)%num_facade_h ) ) & !FK: Was wenn not allocated? --> s.o.
	709	buildings(nb)%num_facade_h = receive_dum_h
	710	IF ( ALLOCATED( buildings(nb)%num_facade_v ) ) &
	711	buildings(nb)%num_facade_v = receive_dum_v
	712	#else
	713	buildings(nb)%num_facade_h = num_facades_h
	714	buildings(nb)%num_facade_v = num_facades_v
	715	#endif
	716	!
	717	!-- Deallocate dummy arrays
	718	DEALLOCATE( num_facades_h )
	719	DEALLOCATE( num_facades_v )
	720	DEALLOCATE( receive_dum_h )
	721	DEALLOCATE( receive_dum_v )
	722	!
	723	!-- Allocate index arrays which link facade elements with surface-data type.
	724	!-- Please note, no height levels are considered here (information is stored
	725	!-- in surface-data type itself).
	726	IF ( buildings(nb)%on_pe ) THEN
	727	!
	728	!-- Determine number of facade elements per building.
	729	buildings(nb)%num_facades_per_building_h = SUM( buildings(nb)%num_facade_h )
	730	buildings(nb)%num_facades_per_building_v = SUM( buildings(nb)%num_facade_v )
	731	!
	732	!-- Allocate arrays which link the building with the horizontal and vertical
	733	!-- urban-type surfaces. Please note, linking arrays are allocated over all
	734	!-- facade elements, which is required in case a building is located at the
	735	!-- subdomain boundaries, where the building and the corresponding surface
	736	!-- elements are located on different subdomains.
	737	ALLOCATE( buildings(nb)%m_h(1:buildings(nb)%num_facades_per_building_h_l) )
	738
	739	ALLOCATE( buildings(nb)%l_v(1:buildings(nb)%num_facades_per_building_v_l) )
	740	ALLOCATE( buildings(nb)%m_v(1:buildings(nb)%num_facades_per_building_v_l) )
	741	ENDIF
	742	!
	743	!-- Determine volume per facade element (vpf)
	744	IF ( buildings(nb)%on_pe ) THEN
	745	ALLOCATE( buildings(nb)%vpf(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	746
	747	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
	748	buildings(nb)%vpf(k) = buildings(nb)%volume(k) / &
	749	( buildings(nb)%num_facade_h(k) + &
	750	buildings(nb)%num_facade_v(k) )
	751	ENDDO
	752	ENDIF
	753	ENDDO
	754	!
	755	!-- Link facade elements with surface data type.
	756	!-- Allocate array for counting.
	757	ALLOCATE( n_fa(1:num_build) )
	758	n_fa = 1
	759
	760	DO m = 1, surf_usm_h%ns
	761	i = surf_usm_h%i(m) + surf_usm_h%ioff
	762	j = surf_usm_h%j(m) + surf_usm_h%joff
	763
	764	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM = 1 )
	765
	766	buildings(nb)%m_h(n_fa(nb)) = m
	767	n_fa(nb) = n_fa(nb) + 1
	768	ENDDO
	769
	770	n_fa = 1
	771	DO l = 0, 3
	772	DO m = 1, surf_usm_v(l)%ns
	773	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
	774	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
	775
	776	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM = 1 )
	777
	778	buildings(nb)%l_v(n_fa(nb)) = l
	779	buildings(nb)%m_v(n_fa(nb)) = m
	780	n_fa(nb) = n_fa(nb) + 1
	781	ENDDO
	782	ENDDO
	783	DEALLOCATE( n_fa )
	784
	785	!
	786	!-- Building parameters by type of building. Assigned in urban_surface_mod.f90
	787
	788	lambda_layer3 = building_pars(63, building_type)
	789	s_layer3 = building_pars(57, building_type)
	790	f_c_win = building_pars(119, building_type)
	791	g_value_win = building_pars(120, building_type)
	792	u_value_win = building_pars(121, building_type)
	793	air_change_low = building_pars(122, building_type)
	794	air_change_high = building_pars(123, building_type)
	795	eta_ve = building_pars(124, building_type)
	796	factor_a = building_pars(125, building_type)
	797	factor_c = building_pars(126, building_type)
	798	lambda_at = building_pars(127, building_type)
	799	theta_int_h_set = building_pars(118, building_type)
	800	theta_int_c_set = building_pars(117, building_type)
	801	phi_h_max = building_pars(128, building_type)
	802	phi_c_max = building_pars(129, building_type)
	803	qint_high = building_pars(130, building_type)
	804	qint_low = building_pars(131, building_type)
	805	height_storey = building_pars(132, building_type)
	806	height_cei_con = building_pars(133, building_type)
	807
	808	!
	809	!-- Setting of initial room temperature [K]
	810	!-- (after first loop, use theta_m_t as theta_m_t_prev)
	811	theta_m_t_prev = initial_indoor_temperature
	812
	813
	814	END SUBROUTINE im_init
	815
	816
	817	!------------------------------------------------------------------------------!
	818	! Description:
	819	! ------------
	820	!> Main part of the indoor model.
	821	!> Calculation of .... (kanani: Please describe)
	822	!------------------------------------------------------------------------------!
	823	SUBROUTINE im_main_heatcool
	824
	825	USE arrays_3d, &
	826	ONLY: ddzw, dzw
	827
	828	USE basic_constants_and_equations_mod, &
	829	ONLY: c_p
	830
	831	USE control_parameters, &
	832	ONLY: rho_surface
	833
	834	USE date_and_time_mod, &
	835	ONLY: time_utc
	836
	837	USE grid_variables, &
	838	ONLY: dx, dy
	839
	840	USE pegrid
	841
	842	USE surface_mod, &
	843	ONLY: ind_veg_wall, ind_wat_win, surf_usm_h, surf_usm_v
	844
	845	USE urban_surface_mod, &
	846	ONLY: nzt_wall, t_surf_10cm_h, t_surf_10cm_v, t_wall_h, t_wall_v, &
	847	t_window_h, t_window_v, building_type
	848
	849
	850	IMPLICIT NONE
	851
	852	INTEGER(iwp) :: i !< index of facade-adjacent atmosphere grid point in x-direction
	853	INTEGER(iwp) :: j !< index of facade-adjacent atmosphere grid point in y-direction
	854	INTEGER(iwp) :: k !< index of facade-adjacent atmosphere grid point in z-direction
	855	INTEGER(iwp) :: kk !< vertical index of indoor grid point adjacent to facade
	856	INTEGER(iwp) :: l !< running index for surface-element orientation
	857	INTEGER(iwp) :: m !< running index surface elements
	858	INTEGER(iwp) :: nb !< running index for buildings
	859	INTEGER(iwp) :: fa !< running index for facade elements of each building
	860
	861	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
	862	REAL(wp) :: near_facade_temperature !< outside air temperature 10cm away from facade
	863	REAL(wp) :: time_utc_hour !< time of day (hour UTC)
	864
	865	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l_send !< dummy send buffer used for summing-up indoor temperature per kk-level
	866	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_recv !< dummy recv buffer used for summing-up indoor temperature per kk-level
	867
	868	!
	869	!-- Daily schedule, here for 08:00-18:00 = 1, other hours = 0.
	870	!-- time_utc_hour is calculated here based on time_utc [s] from
	871	!-- date_and_time_mod.
	872	!-- (kanani: Does this schedule not depend on if it's an office or resident
	873	!-- building?)
	874	time_utc_hour = time_utc / 3600.0_wp
	875
	876	!
	877	!-- Allocation of the load profiles to the building types
	878	!-- Residental Building, panel WBS 70
	879	if (building_type == 1 .OR. &
	880	building_type == 2 .OR. &
	881	building_type == 3 .OR. &
	882	building_type == 10 .OR. &
	883	building_type == 11 .OR. &
	884	building_type == 12) then
	885	ventilation_int_loads = 1
	886	!-- Office, building with large windows
	887	else if (building_type == 4 .OR. &
	888	building_type == 5 .OR. &
	889	building_type == 6 .OR. &
	890	building_type == 7 .OR. &
	891	building_type == 8 .OR. &
	892	building_type == 9) then
	893	ventilation_int_loads = 2
	894	!-- Industry, hospitals
	895	else if (building_type == 13 .OR. &
	896	building_type == 14 .OR. &
	897	building_type == 15 .OR. &
	898	building_type == 16 .OR. &
	899	building_type == 17 .OR. &
	900	building_type == 18) then
	901	ventilation_int_loads = 3
	902
	903	end if
	904
	905	!-- Residental Building, panel WBS 70
	906
	907	if (ventilation_int_loads == 1) THEN
	908	if ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 8.0_wp ) THEN
	909	schedule_d = 1
	910	else if ( time_utc_hour >= 18.0_wp .AND. time_utc_hour <= 23.0_wp ) THEN
	911	schedule_d = 1
	912	else
	913	schedule_d = 0
	914	end if
	915	end if
	916
	917	!-- Office, building with large windows
	918
	919	if (ventilation_int_loads == 2) THEN
	920	if ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
	921	schedule_d = 1
	922	else
	923	schedule_d = 0
	924	end if
	925	end if
	926
	927	!-- Industry, hospitals
	928	if (ventilation_int_loads == 3) THEN
	929	if ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 22.0_wp ) THEN
	930	schedule_d = 1
	931	else
	932	schedule_d = 0
	933	end if
	934	end if
	935
	936
	937	!
	938	!-- Following calculations must be done for each facade element.
	939	DO nb = 1, num_build
	940	!
	941	!-- First, check whether building is present on local subdomain.
	942	IF ( buildings(nb)%on_pe ) THEN
	943	!
	944	!-- Initialize/reset indoor temperature
	945	buildings(nb)%t_in = 0.0_wp
	946	buildings(nb)%t_in_l = 0.0_wp
	947	!
	948	!-- Horizontal surfaces
	949	DO fa = 1, buildings(nb)%num_facades_per_building_h_l
	950	!
	951	!-- Determine index where corresponding surface-type information
	952	!-- is stored.
	953	m = buildings(nb)%m_h(fa)
	954	!
	955	!-- Determine building height level index.
	956	kk = surf_usm_h%k(m) + surf_usm_h%koff
	957	!
	958	!-- Building geometries --> not time-dependent
	959	facade_element_area = dx * dy !< [m2] surface area per facade element
	960	floor_area_per_facade = buildings(nb)%vpf(kk) * ddzw(kk) !< [m2] net floor area per facade element
	961	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3] indoor air volume per facade element
	962	window_area_per_facade = surf_usm_h%frac(ind_wat_win,m) * facade_element_area !< [m2] window area per facade element
	963	eff_mass_area = factor_a * floor_area_per_facade !< [m2] standard values according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
	964	c_m = factor_c * floor_area_per_facade !< [J/K] standard values according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
	965	total_area = lambda_at * floor_area_per_facade !< [m2] area of all surfaces pointing to zone Eq. (9) according to section 7.2.2.2
	966
	967	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
	968	h_tr_w = window_area_per_facade * u_value_win !< [W/K] only for windows
	969	h_tr_is = total_area * h_is !< [W/K] with h_is = 3.45 W / (m2 K) between surface and air, Eq. (9)
	970	h_tr_ms = eff_mass_area * h_ms !< [W/K] with h_ms = 9.10 W / (m2 K) between component and surface, Eq. (64)
	971	h_tr_op = 1 / ( 1 / ( ( facade_element_area - window_area_per_facade ) &
	972	* lambda_layer3 / s_layer3 * 0.5 ) + 1 / h_tr_ms )
	973	h_tr_em = 1 / ( 1 / h_tr_op - 1 / h_tr_ms ) !< [W/K] Eq. (63), Section 12.2.2
	974	!
	975	!-- internal air loads dependent on the occupacy of the room
	976	!-- basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int)
	977	phi_ia = 0.5 * ( ( qint_high * schedule_d + qint_low ) &
	978	* floor_area_per_facade ) !< [W] Eq. (C.1)
	979	!
	980	!-- Airflow dependent on the occupacy of the room
	981	!-- basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
	982	air_change = ( air_change_high * schedule_d + air_change_low ) !< [1/h]?
	983	!
	984	!-- Heat transfer of ventilation
	985	!-- not less than 0.01 W/K to provide division by 0 in further calculations
	986	!-- with heat capacity of air 0.33 Wh/m2K
[3524]	987	h_ve = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
	988	0.33_wp * (1 - eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
[3469]	989
	990	!-- Heat transfer coefficient auxiliary variables
	991	h_tr_1 = 1 / ( ( 1 / h_ve ) + ( 1 / h_tr_is ) ) !< [W/K] Eq. (C.6)
	992	h_tr_2 = h_tr_1 + h_tr_w !< [W/K] Eq. (C.7)
	993	h_tr_3 = 1 / ( ( 1 / h_tr_2 ) + ( 1 / h_tr_ms ) ) !< [W/K] Eq. (C.8)
	994	!
	995	!-- Net short-wave radiation through window area (was i_global)
	996	net_sw_in = surf_usm_h%rad_sw_in(m) - surf_usm_h%rad_sw_out(m)
	997	!
	998	!-- Quantities needed for im_calc_temperatures
	999	i = surf_usm_h%i(m)
	1000	j = surf_usm_h%j(m)
	1001	k = surf_usm_h%k(m)
	1002	near_facade_temperature = t_surf_10cm_h(m)
	1003	indoor_wall_window_temperature = &
	1004	surf_usm_h%frac(ind_veg_wall,m) * t_wall_h(nzt_wall,m) &
	1005	+ surf_usm_h%frac(ind_wat_win,m) * t_window_h(nzt_wall,m)
	1006	!
	1007	!-- Solar thermal gains. If net_sw_in larger than sun-protection
	1008	!-- threshold parameter (params_solar_protection), sun protection will
	1009	!-- be activated
	1010	IF ( net_sw_in <= params_solar_protection ) THEN
	1011	solar_protection_off = 1
	1012	solar_protection_on = 0
	1013	ELSE
	1014	solar_protection_off = 0
	1015	solar_protection_on = 1
	1016	ENDIF
	1017	!
	1018	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on automatic sun protection
	1019	!-- DIN 4108 - 2 chap.8
	1020	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
	1021	+ window_area_per_facade * net_sw_in * f_c_win * solar_protection_on ) &
	1022	* g_value_win * ( 1 - params_f_f ) * params_f_w !< [W]
	1023	!
	1024	!-- Calculation of the mass specific thermal load for internal and external heatsources of the inner node
	1025	phi_m = (eff_mass_area / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
	1026	!
	1027	!-- Calculation mass specific thermal load implied non thermal mass
	1028	phi_st = ( 1 - ( eff_mass_area / total_area ) - ( h_tr_w / ( 9.1 * total_area ) ) ) &
	1029	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with phi_ia=0,5*phi_int
	1030	!
	1031	!-- Calculations for deriving indoor temperature and heat flux into the wall
	1032	!-- Step 1: Indoor temperature without heating and cooling
	1033	!-- section C.4.1 Picture C.2 zone 3)
	1034	phi_hc_nd = 0
	1035
	1036	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1037	near_facade_temperature, phi_hc_nd )
	1038	!
	1039	!-- If air temperature between border temperatures of heating and cooling, assign output variable, then ready
	1040	IF ( theta_int_h_set <= theta_air .AND. theta_air <= theta_int_c_set ) THEN
	1041	phi_hc_nd_ac = 0
	1042	phi_hc_nd = phi_hc_nd_ac
	1043	theta_air_ac = theta_air
	1044	!
	1045	!-- Step 2: Else, apply 10 W/mÂ² heating/cooling power and calculate indoor temperature
	1046	!-- again.
	1047	ELSE
	1048	!
	1049	!-- Temperature not correct, calculation method according to section C4.2
	1050	theta_air_0 = theta_air !< Note temperature without heating/cooling
	1051
	1052	!-- Heating or cooling?
	1053	IF ( theta_air > theta_int_c_set ) THEN
	1054	theta_air_set = theta_int_c_set
	1055	ELSE
	1056	theta_air_set = theta_int_h_set
	1057	ENDIF
	1058
	1059	!-- Calculate the temperature with phi_hc_nd_10
	1060	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
	1061	phi_hc_nd = phi_hc_nd_10
	1062
	1063	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1064	near_facade_temperature, phi_hc_nd )
	1065
	1066	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
	1067	!
	1068
	1069	phi_hc_nd_un = phi_hc_nd_10 * (theta_air_set - theta_air_0) &
	1070	/ (theta_air_10 - theta_air_0) !< Eq. (C.13)
	1071
	1072
	1073
	1074	!-- Step 3: With temperature ratio to determine the heating or cooling capacity
	1075	!-- If necessary, limit the power to maximum power
	1076	!-- section C.4.1 Picture C.2 zone 2) and 4)
	1077	IF ( phi_c_max < phi_hc_nd_un .AND. phi_hc_nd_un < phi_h_max ) THEN
	1078	phi_hc_nd_ac = phi_hc_nd_un
	1079	phi_hc_nd = phi_hc_nd_un
	1080	ELSE
	1081	!-- Step 4: Inner temperature with maximum heating (phi_hc_nd_un positive) or cooling (phi_hc_nd_un negative)
	1082	!-- section C.4.1 Picture C.2 zone 1) and 5)
	1083	IF ( phi_hc_nd_un > 0 ) THEN
	1084	phi_hc_nd_ac = phi_h_max !< Limit heating
	1085	ELSE
	1086	phi_hc_nd_ac = phi_c_max !< Limit cooling
	1087	ENDIF
	1088	ENDIF
	1089
	1090	phi_hc_nd = phi_hc_nd_ac
	1091	!
	1092	!-- Calculate the temperature with phi_hc_nd_ac (new)
	1093	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1094	near_facade_temperature, phi_hc_nd )
	1095
	1096	theta_air_ac = theta_air
	1097
	1098	ENDIF
	1099	!
	1100	!-- Update theta_m_t_prev
	1101	theta_m_t_prev = theta_m_t
	1102	!
	1103	!-- Calculate the operating temperature with weighted mean temperature of air and mean solar temperature
	1104	!-- Will be used for thermal comfort calculations
[3593]	1105	theta_op = 0.3 * theta_air_ac + 0.7 * theta_s !< [degree_C] operative Temperature Eq. (C.12)
[3469]	1106	!
	1107	!-- Heat flux into the wall. Value needed in urban_surface_mod to
	1108	!-- calculate heat transfer through wall layers towards the facade
	1109	!-- (use c_p * rho_surface to convert [W/m2] into [K m/s])
	1110	q_wall_win = h_tr_ms * ( theta_s - theta_m ) &
	1111	/ ( facade_element_area &
	1112	- window_area_per_facade )
	1113	!
	1114	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
	1115	surf_usm_h%iwghf_eb(m) = q_wall_win
	1116	surf_usm_h%iwghf_eb_window(m) = q_wall_win
	1117	!
	1118	!-- Sum up operational indoor temperature per kk-level. Further below,
	1119	!-- this temperature is reduced by MPI to one temperature per kk-level
	1120	!-- and building (processor overlapping)
	1121	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
	1122	!
	1123	!-- Calculation of waste heat
	1124	!-- Anthropogenic heat output
	1125	IF ( phi_hc_nd_ac > 0 ) THEN
	1126	heating_on = 1
	1127	cooling_on = 0
	1128	ELSE
	1129	heating_on = 0
	1130	cooling_on = 1
	1131	ENDIF
	1132
	1133	q_waste_heat = (phi_hc_nd * (params_waste_heat_h * heating_on + params_waste_heat_c * cooling_on)) !< [W/m2] anthropogenic heat output
	1134	! surf_usm_h%shf(m)=q_waste_heat
	1135
	1136	ENDDO !< Horizontal surfaces loop
	1137	!
	1138	!-- Vertical surfaces
	1139	DO fa = 1, buildings(nb)%num_facades_per_building_v_l
	1140	!
	1141	!-- Determine indices where corresponding surface-type information
	1142	!-- is stored.
	1143	l = buildings(nb)%l_v(fa)
	1144	m = buildings(nb)%m_v(fa)
	1145	!
	1146	!-- Determine building height level index.
	1147	kk = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
	1148	!
	1149	!-- Building geometries --> not time-dependent
	1150	IF ( l == 0 .OR. l == 1 ) facade_element_area = dx * dzw(kk) !< [m2] surface area per facade element
	1151	IF ( l == 2 .OR. l == 3 ) facade_element_area = dy * dzw(kk) !< [m2] surface area per facade element
	1152	floor_area_per_facade = buildings(nb)%vpf(kk) * ddzw(kk) !< [m2] net floor area per facade element
	1153	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3] indoor air volume per facade element
	1154	window_area_per_facade = surf_usm_v(l)%frac(ind_wat_win,m) * facade_element_area !< [m2] window area per facade element
	1155	eff_mass_area = factor_a * floor_area_per_facade !< [m2] standard values according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
	1156	c_m = factor_c * floor_area_per_facade !< [J/K] standard values according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
	1157	total_area = lambda_at * floor_area_per_facade !< [m2] area of all surfaces pointing to zone Eq. (9) according to section 7.2.2.2
	1158	!
	1159	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
	1160	h_tr_w = window_area_per_facade * u_value_win !< [W/K] only for windows
	1161	h_tr_is = total_area * h_is !< [W/K] with h_is = 3.45 W / (m2 K) between surface and air, Eq. (9)
	1162	h_tr_ms = eff_mass_area * h_ms !< [W/K] with h_ms = 9.10 W / (m2 K) between component and surface, Eq. (64)
	1163	h_tr_op = 1 / ( 1 / ( ( facade_element_area - window_area_per_facade ) &
	1164	* lambda_layer3 / s_layer3 * 0.5 ) + 1 / h_tr_ms )
	1165	h_tr_em = 1 / ( 1 / h_tr_op - 1 / h_tr_ms ) !< [W/K] Eq. (63), Section 12.2.2
	1166	!
	1167	!-- internal air loads dependent on the occupacy of the room
	1168	!-- basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int)
	1169	phi_ia = 0.5 * ( ( qint_high * schedule_d + qint_low ) &
	1170	* floor_area_per_facade ) !< [W] Eq. (C.1)
	1171	!
	1172	!-- Airflow dependent on the occupacy of the room
	1173	!-- basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
	1174	air_change = ( air_change_high * schedule_d + air_change_low )
	1175	!
	1176	!-- Heat transfer of ventilation
	1177	!-- not less than 0.01 W/K to provide division by 0 in further calculations
	1178	!-- with heat capacity of air 0.33 Wh/m2K
[3524]	1179	h_ve = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
	1180	0.33_wp * (1 - eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
[3469]	1181
	1182	!-- Heat transfer coefficient auxiliary variables
	1183	h_tr_1 = 1 / ( ( 1 / h_ve ) + ( 1 / h_tr_is ) ) !< [W/K] Eq. (C.6)
	1184	h_tr_2 = h_tr_1 + h_tr_w !< [W/K] Eq. (C.7)
	1185	h_tr_3 = 1 / ( ( 1 / h_tr_2 ) + ( 1 / h_tr_ms ) ) !< [W/K] Eq. (C.8)
	1186	!
	1187	!-- Net short-wave radiation through window area (was i_global)
	1188	net_sw_in = surf_usm_v(l)%rad_sw_in(m) - surf_usm_v(l)%rad_sw_out(m)
	1189	!
	1190	!-- Quantities needed for im_calc_temperatures
	1191	i = surf_usm_v(l)%i(m)
	1192	j = surf_usm_v(l)%j(m)
	1193	k = surf_usm_v(l)%k(m)
	1194	near_facade_temperature = t_surf_10cm_v(l)%t(m)
	1195	indoor_wall_window_temperature = &
	1196	surf_usm_v(l)%frac(ind_veg_wall,m) * t_wall_v(l)%t(nzt_wall,m) &
	1197	+ surf_usm_v(l)%frac(ind_wat_win,m) * t_window_v(l)%t(nzt_wall,m)
	1198	!
	1199	!-- Solar thermal gains. If net_sw_in larger than sun-protection
	1200	!-- threshold parameter (params_solar_protection), sun protection will
	1201	!-- be activated
	1202	IF ( net_sw_in <= params_solar_protection ) THEN
	1203	solar_protection_off = 1
	1204	solar_protection_on = 0
	1205	ELSE
	1206	solar_protection_off = 0
	1207	solar_protection_on = 1
	1208	ENDIF
	1209	!
	1210	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on automatic sun protection
	1211	!-- DIN 4108 - 2 chap.8
	1212	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
	1213	+ window_area_per_facade * net_sw_in * f_c_win * solar_protection_on ) &
	1214	* g_value_win * ( 1 - params_f_f ) * params_f_w
	1215	!
	1216	!-- Calculation of the mass specific thermal load for internal and external heatsources
	1217	phi_m = (eff_mass_area / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
	1218	!
	1219	!-- Calculation mass specific thermal load implied non thermal mass
	1220	phi_st = ( 1 - ( eff_mass_area / total_area ) - ( h_tr_w / ( 9.1 * total_area ) ) ) &
	1221	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with phi_ia=0,5*phi_int
	1222	!
	1223	!-- Calculations for deriving indoor temperature and heat flux into the wall
	1224	!-- Step 1: Indoor temperature without heating and cooling
	1225	!-- section C.4.1 Picture C.2 zone 3)
	1226	phi_hc_nd = 0
	1227
	1228	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1229	near_facade_temperature, phi_hc_nd )
	1230	!
	1231	!-- If air temperature between border temperatures of heating and cooling, assign output variable, then ready
	1232	IF ( theta_int_h_set <= theta_air .AND. theta_air <= theta_int_c_set ) THEN
	1233	phi_hc_nd_ac = 0
	1234	phi_hc_nd = phi_hc_nd_ac
	1235	theta_air_ac = theta_air
	1236	!
	1237	!-- Step 2: Else, apply 10 W/mÂ² heating/cooling power and calculate indoor temperature
	1238	!-- again.
	1239	ELSE
	1240	!
	1241	!-- Temperature not correct, calculation method according to section C4.2
	1242	theta_air_0 = theta_air !< Note temperature without heating/cooling
	1243
	1244	!-- Heating or cooling?
	1245	IF ( theta_air > theta_int_c_set ) THEN
	1246	theta_air_set = theta_int_c_set
	1247	ELSE
	1248	theta_air_set = theta_int_h_set
	1249	ENDIF
	1250
	1251	!-- Calculate the temperature with phi_hc_nd_10
	1252	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
	1253	phi_hc_nd = phi_hc_nd_10
	1254
	1255	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1256	near_facade_temperature, phi_hc_nd )
	1257
	1258	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
	1259
	1260
	1261	phi_hc_nd_un = phi_hc_nd_10 * (theta_air_set - theta_air_0) &
	1262	/ (theta_air_10 - theta_air_0) !< Eq. (C.13)
	1263	!
	1264	!-- Step 3: With temperature ratio to determine the heating or cooling capacity
	1265	!-- If necessary, limit the power to maximum power
	1266	!-- section C.4.1 Picture C.2 zone 2) and 4)
	1267	IF ( phi_c_max < phi_hc_nd_un .AND. phi_hc_nd_un < phi_h_max ) THEN
	1268	phi_hc_nd_ac = phi_hc_nd_un
	1269	phi_hc_nd = phi_hc_nd_un
	1270	ELSE
	1271	!-- Step 4: Inner temperature with maximum heating (phi_hc_nd_un positive) or cooling (phi_hc_nd_un negative)
	1272	!-- section C.4.1 Picture C.2 zone 1) and 5)
	1273	IF ( phi_hc_nd_un > 0 ) THEN
	1274	phi_hc_nd_ac = phi_h_max !< Limit heating
	1275	ELSE
	1276	phi_hc_nd_ac = phi_c_max !< Limit cooling
	1277	ENDIF
	1278	ENDIF
	1279
	1280	phi_hc_nd = phi_hc_nd_ac
	1281	!
	1282	!-- Calculate the temperature with phi_hc_nd_ac (new)
	1283	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1284	near_facade_temperature, phi_hc_nd )
	1285
	1286	theta_air_ac = theta_air
	1287
	1288	ENDIF
	1289	!
	1290	!-- Update theta_m_t_prev
	1291	theta_m_t_prev = theta_m_t
	1292	!
	1293	!-- Calculate the operating temperature with weighted mean of temperature of air and mean
	1294	!-- Will be used for thermal comfort calculations
	1295	theta_op = 0.3 * theta_air_ac + 0.7 * theta_s
	1296	!
	1297	!-- Heat flux into the wall. Value needed in urban_surface_mod to
	1298	!-- calculate heat transfer through wall layers towards the facade
	1299	q_wall_win = h_tr_ms * ( theta_s - theta_m ) &
	1300	/ ( facade_element_area &
	1301	- window_area_per_facade )
	1302	!
	1303	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
	1304	surf_usm_v(l)%iwghf_eb(m) = q_wall_win
	1305	surf_usm_v(l)%iwghf_eb_window(m) = q_wall_win
	1306	!
	1307	!-- Sum up operational indoor temperature per kk-level. Further below,
	1308	!-- this temperature is reduced by MPI to one temperature per kk-level
	1309	!-- and building (processor overlapping)
	1310	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
	1311
	1312	!
	1313	!-- Calculation of waste heat
	1314	!-- Anthropogenic heat output
	1315	IF ( phi_hc_nd_ac > 0 ) THEN
	1316	heating_on = 1
	1317	cooling_on = 0
	1318	ELSE
	1319	heating_on = 0
	1320	cooling_on = 1
	1321	ENDIF
	1322
	1323	q_waste_heat = (phi_hc_nd * (params_waste_heat_h * heating_on + params_waste_heat_c * cooling_on)) !< [W/m2] , anthropogenic heat output
	1324	! surf_usm_v(l)%waste_heat(m)=q_waste_heat
	1325
	1326	ENDDO !< Vertical surfaces loop
	1327
	1328	ENDIF !< buildings(nb)%on_pe
	1329	ENDDO !< buildings loop
	1330
	1331	!
	1332	!-- Determine total number of facade elements per building and assign number to
	1333	!-- building data type.
	1334	DO nb = 1, num_build
	1335	!
	1336	!-- Allocate dummy array used for summing-up facade elements.
	1337	!-- Please note, dummy arguments are necessary as building-date type
	1338	!-- arrays are not necessarily allocated on all PEs.
	1339	ALLOCATE( t_in_l_send(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	1340	ALLOCATE( t_in_recv(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	1341	t_in_l_send = 0.0_wp
	1342	t_in_recv = 0.0_wp
	1343
	1344	IF ( buildings(nb)%on_pe ) THEN
	1345	t_in_l_send = buildings(nb)%t_in_l
	1346	ENDIF
	1347
	1348	#if defined( __parallel )
	1349	CALL MPI_ALLREDUCE( t_in_l_send, &
	1350	t_in_recv, &
	1351	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
	1352	MPI_REAL, &
	1353	MPI_SUM, &
	1354	comm2d, &
	1355	ierr )
	1356
	1357	IF ( ALLOCATED( buildings(nb)%t_in ) ) &
	1358	buildings(nb)%t_in = t_in_recv
	1359	#else
	1360	buildings(nb)%t_in = buildings(nb)%t_in_l
	1361	#endif
	1362
	1363	buildings(nb)%t_in = buildings(nb)%t_in / &
	1364	( buildings(nb)%num_facade_h + &
	1365	buildings(nb)%num_facade_v )
	1366	!
	1367	!-- Deallocate dummy arrays
	1368	DEALLOCATE( t_in_l_send )
	1369	DEALLOCATE( t_in_recv )
	1370
	1371	ENDDO
	1372
	1373
	1374	END SUBROUTINE im_main_heatcool
	1375
	1376	!------------------------------------------------------------------------------!
	1377	! Description:
	1378	! ------------
	1379	!> Parin for &indoor_parameters for indoor model
	1380	!------------------------------------------------------------------------------!
	1381	SUBROUTINE im_parin
	1382
	1383	USE control_parameters, &
	1384	ONLY: indoor_model
	1385
	1386	IMPLICIT NONE
	1387
	1388	CHARACTER (LEN=80) :: line !< string containing current line of file PARIN
	1389
	1390
	1391
	1392	NAMELIST /indoor_parameters/ building_type, dt_indoor, &
	1393	initial_indoor_temperature
	1394
	1395	! line = ' '
	1396
	1397	!
	1398	!-- Try to find indoor model package
	1399	REWIND ( 11 )
	1400	line = ' '
	1401	DO WHILE ( INDEX( line, '&indoor_parameters' ) == 0 )
	1402	READ ( 11, '(A)', END=10 ) line
	1403	! PRINT*, 'line: ', line
	1404	ENDDO
	1405	BACKSPACE ( 11 )
	1406
	1407	!
	1408	!-- Read user-defined namelist
	1409	READ ( 11, indoor_parameters )
	1410	!
	1411	!-- Set flag that indicates that the indoor model is switched on
	1412	indoor_model = .TRUE.
	1413
	1414	!
	1415	!-- Activate spinup (maybe later
	1416	! IF ( spinup_time > 0.0_wp ) THEN
	1417	! coupling_start_time = spinup_time
	1418	! end_time = end_time + spinup_time
	1419	! IF ( spinup_pt_mean == 9999999.9_wp ) THEN
	1420	! spinup_pt_mean = pt_surface
	1421	! ENDIF
	1422	! spinup = .TRUE.
	1423	! ENDIF
	1424
	1425	10 CONTINUE
	1426
	1427	END SUBROUTINE im_parin
	1428
	1429
	1430	END MODULE indoor_model_mod

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